BRL-CAD is a powerful constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing support for rendering and geometric analysis, path-tracing for realistic image synthesis, network distributed framebuffer support, and image and signal-processing tools.

fli4l is a single-floppy Linux-based ISDN/DSL/ethernet-router. It features configuration with some simple ASCII-files, several possible connection-flavors (in/out/callback, and raw IP/PPP), channel bundling (an extra channel can be added through a Windows/Unix-client), configuration of multiple networks, least-cost routing, automatic choice of provider, display/calculation of connection times and costs, and a Windows/Unix client to control dial/hangup, monitor traffic and monitor incoming calls on ISDN (see screenshot).

WorldStation is a Java-based control panel to control the Ten-Tec DSP RX-320 shortwave receiver. The RX-320 is a "black box" radio which has no front-panel and is controlled via your PC's serial port. With an appropriate antenna, the RX-320 will allow you to listen to thousands of broadcasts from around the world. WorldStation features integrated Xbase frequency database support and advanced scanning to allow the user to visualize the radio spectrum.

MPlayer is a movie and animation player that supports a wide range of codecs and file formats, including MPEG 1/2/4, DivX 3/4/5, Windows Media 7/8/9, RealAudio/Video up to 9, Quicktime 5/6, and Vivo 1/2. It has many MMX/SSE(2)/3Dnow(Ex) optimized native audio and video codecs, but allows using XAnim's and RealPlayer's binary codec plugins, and Win32 codec DLLs. It has basic VCD/DVD playback functionality, including DVD subtitles, but supports many text-based subtitle formats too. For video output, nearly every existing interface is supported. It's also able to convert any supported files to raw/divx/mpeg4 AVI (pcm/mp3 audio), and even video grabbing from V4L devices.

DarkIce is a live audio streamer. It records audio
from an audio interface (e.g. a sound card),
encodes it, and sends it to a streaming server.
DarkIce can record from OSS audio devices, ALSA
audio devices, Solaris audio interfaces, and Jack
sources. DarkIce can encode into MP3, MP2, Ogg
Vorbis, and AAC formats, and can send the encoded
stream to ShoutCast, IceCast 1.3.x and 2.x, and
the Darwin Streaming Server.

The Securepoint Unified Threat Management (UTM) security solutions provide all important security applications (firewall, VPN gateway, virus scanner, spam filter, Web filter, IDS, etc.) within a corresponding server environment, to ensure smooth updates of all systems and to make the everyday usage of these systems successful and secure for companies. They are available as UTM hardware appliances, as virtual appliances, and as a pure software solution which can be installed on standard computer systems and may be adjusted according to individual requirements. Securepoint is Windows 7-ready and supports IKEv1 and IKEv2.

NeL and the attached server and client code is a platform to create and run a multi-user 3D virtual environment for entertainment purposes. It is used as the core of Ryzom (ryzom.com), a 3D MMORPG. The server and client code is Linux and Windows based.